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69：
When people evade income taxes by not declaring taxable income, a vicious cycle results. Tax evasion forces
lawmakers to raise income tax rates, which causes the tax burden on nonevading taxpayers to become heavier.
This, in turn, encourages even more taxpayers to evade income taxes by hiding taxable income.
The vicious cycle described above could not resultunless which of the following were true?
(A) An increase in tax rates tends to function as an incentive for taxpayers to try to increase their pretax
incomes.
(B) Some methods for detecting tax evaders, and thus recovering some tax revenue lost through evasion,
bring in more than they cost, but their success rate varies from year to year.
(C) When lawmakers establish income tax rates in order to generate a certain level of revenue, they do not
allow adequately for revenue that will be lost through evasion.
(D) Noone who routinely hides some taxable income can be induced by a lowering of tax rates to stop hiding
such income unless fines for evaders are raised at the same time.
(E) Taxpayers do not differ from each other with respect to the rate of taxation that will cause them to evade
taxes.
70：
Plantings of cotton bioengineered to produce its own insecticide against bollworms, a major cause of crop
failure , sustained little bollworm damage until this year. This year the plantings are being seriously damaged by
bollworms. Bollworms, however, are not necessarily developing resistance to the cotton's insecticide. Bollworms
breed on corn, and last year more corn than usual was planted throughout cotton-growing regions. Soit is likely
that the cotton is simply being overwhelmed by corn-bred bollworms.
In evaluating the argument, whichof the following would it be most useful to establish?
(A) Whether corn could be bioengineered to produce the insecticide
(B) Whether plantings of cotton that does not produce the insecticide are suffering unusually extensive
damage from bollworms this year
(C) Whether other crops that have been bioengineered to produce their own insecticide successfully resist the
pests against which the insecticide was to protect them
(D) Whether plantings of bioengineered cotton are frequently damaged by insect pests other than bollworms
(E) Whetherthere are insecticides that can be used against bollworms that have developed res istance to the
insecticide produced by the bioengineered cotton
71：
Because postage rates are rising, Home Decorator magazine plans to maximize its profits by reducing by
one-half the number of issues it publishes each year. The quality of articles, the number of articles published
per year, and the subscription price will not change. Market research shows that neither subscribers nor
advertisers will be lost if the magazine's plan is instituted.
Which of the following, if true, provides the strongest evidence that the magazine's profits are likely to decline if
the plan is instituted?
(A) With the new postage rates, a typical issue under the proposed plan would cost about one-third more to
mail than a typical current issue would.
(B) The majority of the magazine's subscribers are less concerned abouta possible reduction in the quantity
of the magazine's articles than about a possible loss of the current high quality of its articles.
(C) Many of the magazine's long-time subscribers would continue their subscriptions even if the subscription
price were increased.
(D) Mostof the advertisers that purchase advertising space in the magazine will continue to spend the same
amount on advertising per issue asthey have in the past.
(E) Production costs for the magazine are expected to remain stable.
72：
A discount retailer of basic household necessities employs thousands of people and pays most of them at the
minimum wage rate. Yet following a federally mandated increase of the minimum wage rate that increased the
retailer's operating costs considerably, the retailer's profits increased markedly.
Which of the following, if true, most helps to resolvethe apparent paradox?
(A）Over halfof the retailer's operating costs consist of payroll expenditures; yet only a small percentage of
those expenditures go to pay management salaries.
(B) The retailer's customer base is made upprimarily of peoplewho earn, or who depend on the earnings of
others who earn, the minimum wage.
(C) The retailer's operating costs, otherthan wages, increased substantially after the increase in the minimum
wage rate went into effect.
(D) When the increase in the minimum wage rate went into effect, the retailer also raised the wage rate for
employees who had been earningjust above minimum wage.
(E) Themajority of the retailer's employees work as cashiers, and most cashiers are paid the minimum wage.
AA：
继续这个月jj~
The following appeared in an article in the health section of a newspaper.
“There is a common misconception that university hospitals are better than community or private hospitals. This notion is unfounded, however: the university hospitals in our region employ 15 percent fewer doctors, have a 20 percent lower success rate in treating patients, make far less overall profit, and pay their medical staff considerably less than do private hospitals. Furthermore, many doctors at university hospitals typically divide their time among teaching, conducting research, and treating patients. From this it seems clear that the quality of care at university hospitals is lower than that at other kinds of hospitals.”
大家看看有没有重复~nana~
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发表于 2011-10-12 23:40:07
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